Just walk up to a tree, and this app will display its species, using city landscaping data and your current location.

Includes data for 23 cities, and over 3.5 million trees!

Currently supported cities:
Austin, TX
Berkeley, CA
Cambridge, MA
Denver, CO
London, England
Los Angeles, CA
Montreal, Canada
New York, NY
Oakland, CA
Pasadena, CA
Philadelphia, PA
Portland, OR
Sacramento, CA
San Francisco, CA
San Jose, CA
Santa Monica, CA
Seattle, WA
Toronto, Canada
Victoria, Canada
Washington, DC
Waterloo, Canada
West Hollywood, CA

Don't see your city here? Email me to request it, and I might be able to add it if data is available from your city.